Webster's Revised Unabridged Dictionary · 1913

Pleonasm

Pleonasm ({not transcribed}) , noun

[Latin pleonasmus, Greek {not transcribed}, from {not transcribed} to be more than enough, to abound, from{not transcribed}, neut. of {not transcribed}, more, compar. of {not transcribed} much. See Full, a., and compare Poly-, Plus.]

(Rhetoric) Redundancy of language in speaking or writing; the use of more words than are necessary to express the idea; as, I saw it with my own eyes.